Sheet-metal roofing.



E. R. PROBERT.

SHEET METAL ROOFING.

APPLICATION FILED FEB. 7, 191a 1,121,594. Q Patented Dec. 15,1914.

UNITED STATES PAE'ENT ()FFICE.

EDWIN R. PROBERT, OF COVING-TON, KENTUCKY, ASSIGNOR TO THE MOESCHL- EDWARDS CORRUGATING COMPANY, OF COVINGTON, KENTUCKY, A COR- IPORATION OF KENTUCKY.

SHEET-METAL ROOFING.

To all whom it may concern:

Be it known that I, EDWIN R. PROBERT, a

citizen of the United States of America, and

a resident of Covington, in the county of Kenton and State of Kentucky, have mvented a certain new and useful Improvement in Sheet-Metal Roofing, of which the following is a specification.

This invention relates to sheet-metal roofing in which inverted V crimps are formed for use in making joints and its object is to provide the opposite longitudinal edges of each sheet with peculiar forms of bends whereby an elevated, horizontal pocket or loop is produced in the metal along one longitudinal edge of the sheet and thence develops or extends into a V-shape crimp that, in turn, extends into an inclined or slanting member that has an outwardly-disposed horizontal nailing foot or flange and which sheet has along its opposite edge an upwardly inclined or slanting member that develops or extends into a V-shape member, which latter, in turn, thence extends into a horizontal flange that is adapted to be inserted and seated in the said horizontal pocket'or loop for forming an elevated lockseam materially above the plane of the sheathing upon which the roofing is laid.

Another object of the invention herein is to provide in connection with said elevated lock-seam and V-crimp structure one or more vent passages or chambers that are adapted to assure a dry joint.

The details of the invention herein will I be fully hereinafter described and particularly pointed out in the claims that follow.

In the accompanying sheet of drawings, Figure l is an end view of a sheet-metal roofing joint, showing one peculiar structure thereof and with the joint and the several sheets connected thereby shown in fragmentary perspective projected from said end elevation; Fig. 2, an end elevation showing the device seen in Fig. 1 but with a pair of vent passages or chambers provided above and in connection with the inverted V crimp along the nailing-edge of the sheet; Fig. 3, an end view similar to Fig. 2 but showing a single vent passage or chamber beneath one member or leg of the inverted V crimp that is made in the sheet along the longi- Patented Dec. 15, 1914.

Application filed February 7, 1913. Serial No. 746,768.

passage or chamber provided beneath the flattened or truncated inverted V formation along the longitudinal edge of the sheet that is opposite to that in which the horizontal pocket or loop of the elevated lock-seam is formed; and Fig. 6, an end elevation similar to that shown in Fig. 5., but without any auxiliary vent passage or chamber provided therein, just as the joint seen in Fig. 1 is shown without an auxiliary vent passage or chamber.

1 indicates a metal roofing sheet and 2 another metal roofing sheet that is to be joined to said sheet 1 in the formation of a roofing that is to be laid on sheathing (not shown) as customary.

In the several views of the drawings herein, many of the bends or formations are shown as being constant, or do not change in either of the said views but most of the re-' maining parts of the joint change to suit the number and character of the vent passages.

or chambers that may be desired or advantageous in the roof structure. The part of the joint that remains constant is at the immediate right-hand end of the body portion of each sheet and is composed of an upwardly and outwardly inclined member or leg 3 that extends into a horizontal member 4, thence extends inwardly into a horizontal member 5 parallel to the one 4, thence into a horizontal member 6 that lies beneath and parallel to said member 5, thence into a V- crimp that has a short leg 7 and a slightly longer leg 8.

In Fig. 1 the leg 8 is extended with a downward slant into a member or leg 9 which, in turn, has at its base a foot or horizontal flange 10 that is adapted to receive 'the fastening-nails 11.

The opposite longitudinal edge of the sheet'is provided with. a formation suchas that made on the fragmentary corner of the sheet or plate 2seen in Fig. 1. This formation is composed of an inverted V crimp whose members or legs 12 and 13 fit upon and contact with the members or legs 9 and 8, respectively, aforesaid, a slanting extension 14 that is disposed upwardly from the member 13 but at not quite the same apexlevel, and a horizontal flange or extreme outer end 15 that is adapted to engage with the pocket formed by the space between the horizontal members 5 and 6, aforesaid. The member 14 coincides with the member 7 when the joint is made or completed.

The extreme outer end 15 of the sheet 2 seats or fitssnugly within the pocket formed by the members 5 and 6 of the sheet 1 and an elevated lock-seam is thus provided in the joint that is located above the ordinary level of the water running down the roofing in theV-shape gutter formed by the members i 13 and 14;. No leak or seepage can take place in this elevated lock-seam, especially when the roofing is painted and the joint practically sealed: along the lower part of the folded edge 16.

In laying "the roof, the sheet 1 (to the left) is laid first and its extreme outer edge or flange 10 nailed to the sheathing, then the sheet 2- is inserted into place by bringing the extreme outer edge 17 of the elevated flange 15 into engagement with the mouth of the pocket or loop beneath the folded edge 16 and then letting the said edge 17 of the sheet advance into said pocket and the members of its V-crimp brought into alinement and contact with the crimps vof the already fastened plate below. The flange 10 is covered by the body portion of the contiguous sheet 2, so that the fastening-nails are concealed and protected against exposure and the elements.

In Fig. 2, the crimp members 12 and 13 of the sheet 2 are bent at a somewhat greater pitch than those shown in Fig. 1 and have between them'along their upper edges an integral, horizontal connecting-member 18, whereby a pair of vent-passages 19 and 20 is provided above the inverted V crimp formed .by the members 8 and 9. These vent-passages are adapted to clear the underside of the roofing plates of any moisture or possible leakage within the joint.

In Fig. 3, the inverted V crimp composed of the members 12 and 13 remains as in Fig. 1 but the member 9 and its fastening foot or flange 10 (seen in Fig. 1) are brought toward the member 8 and thereby made to produce a right-angled triangular vent passage or chamber 21 beneath the member 12, such vent-passage 21 being of conslderably larger area than that of either of the ventpassages 19 and 20 shown in Fig. 2.

In Fig. 4 the members 12, 13 and 18 of Fig. 2 are again present and so are those 8, 9 and 10 of Fig. 3, whereby a vent-passage 19, such as that seen in Fig. 2, is provided and, also, another vent-passage 22 that is of irregular outline and somewhat larger than 21 of Fig. 3.

In Fig. 5, the members 8, 9 and 13 remain the same as those likewise designated in Fig. 1, but the member 12 is spaced away from said member 9 when the joint is formed or closed and the upper ends or edges of the members 12 and 13 are integrally connected by a horizontal member 18 whereby a large vent passage or chamber 23 is provided in the joint.

In the forms of joint shown in Figs. 3, 1 and '5 the fastening foot or flange 10 is not directly covered by the body portion of the sheet 2, but the nails are concealed and protected by the members 12 and 18.

In Fig. 6, the members 12, 13 and 18 of Fig. 5 remain the same but the members 8 and 9 of said Fig. 5 and, also, of Fig. 1 are spaced apart by means of a horizontal member 24 that coincides with the horizontal member 18 and registers therewith when the joint is formed or closed. The fastening foot or flange 10 in this view lies beneath the body portion of the sheet 2 the same as in Figs. 1 and 2.

It will be seen in Figs. 4 and 6 that there is no inverted V crimps in the joint such as shown in the remaining views and that the two elevated ridges are flat ones with sloping sides that duly conform and the harmony of the joint is thus not disturbed. The outward harmony of the joint is disturbed, however, in Figs. 1 and 3, a flattopped ridge being associated with a pointed one in each of these views.

In the use of the elevated lock-seamshown herein it is clear to see that the falling rain or water readily drains to both sides of each of the V-crimps or elevated ridges forming the several joints of the roofing and no water is detained long enough to have any possible'chance of entering the lock-seams. There is no lock-seam at the base of either crimp or ridge in the several joints of the roofing such as there is in most of the lock seam roofs in general use.

I claim Sheet-metal roofing comprising sheets or plates each of which has provided along one longitudinal edge a considerably elevated,

outwardly-open, horizontal pocket or loop shortened and thence extends into a horizontal member that is also considerably elevated so as to lie in the same plane as that of the said outwardly-open pocket or loop into which it extends and seats for forming a considerably elevated lock-seam when contiguous sheets are brought together to form or close a joint, and a vent passage or chamber beheath the last-mentioned upwardly-slanting member. I

EDWIN R. PROBERT. Witnesses:

JOHN ELIAS JONES, LORETTA LUCK. 

